The Twemoji Mozilla font bundled in Firefox can also be used by ConTeXt Mark IV packaged in Debian. Processing the following file by /usr/bin/context generates the attached PDF file. \definefontfeature [overlay] [default] [ccmp=yes, colr=yes, dist=yes] \definefontsynonym [emoji] [file:TwemojiMozilla.ttf*overlay] \starttext \emoji{family man woman girl boy} \stoptext Ryutaroh Matsumoto Ryutaroh Matsumoto <ryutaroh.matsumoto@nagoya-u.jp>: > > Package: firefox > Version: 68.0.2-3 > Followup-For: Bug #849602 > Control: retitle -1 font TwitterMozilla can be installed below /usr/share/fonts > > Dear Maintainer, > > EmojiOne in Firefox was replaced by Twemoji distributed by Twitter. > TwemojiMozilla.ttf in Firefox 68 is COLR/CPAL format in opentype > https://docs.microsoft.com/en-us/typography/opentype/spec/colr > which is not a bitmap font format and gives better scaling result > than the bitmap font format. > > On the other hand Noto Color Emoji by Google is in CBDT format > https://docs.microsoft.com/en-us/typography/opentype/spec/cbdt > which is the bitmap. > In Debian there seems no color emoji font in COLR/CPAL format. > > COLR/CPAL color font format is supported in gimp > https://gitlab.gnome.org/GNOME/gimp/issues/1663 > and harftex https://github.com/khaledhosny/harftex > Support request is filed against LibreOffice > https://bugs.documentfoundation.org/show_bug.cgi?id=104403 > > Addition of another emoji font in COLR format to /usr/share/fonts > may be useful for Debian. > > Best regards, > Ryutaroh Matsumoto
Attachment:
twemoji-mozilla.pdf
Description: Adobe PDF document